R0 Is Not Counterfactual

from blog Jeff Kaufman's Writing, | ↗ original
Someone who helps organize an N95-required dance recently wrote to a group of organizers: R0 is the number of people that an infected individual is likely to infect. R0 was 5.4 in Dec 2022. ... People who assume increased risk for themselves are also assuming increased risk for 5.4 other people. This is wrong in two main ways, and I responded...